下列哪条与动脉压无关()
A．心排出量
B．呼吸频率
C．血管阻力
D．血管升压素
E．组织缺氧、酸中毒
参考答案：B
欧州古典芭蕾进入浪漫主义高峰期是在（）
A.18世纪
B.19世纪
C.20世纪
A vessel constrained by her draft shall, when she overtakes a sailing vessel in a fairway,the sailing vessel is（）.
A.priviledged vessel and keep her course and speed
B.burdened vessel and give way to others
C.burdened vessel and keep course nad speed
D.priviledged vessel and give way to others
